英文别名6-(4-aminophenyl)-1-((2,6-difluorophenyl)methyl)-5-((dimethylamino)methyl)-3-(6-methoxypyridazin-3-yl)thieno(2,3-d)pyrimidine-2,4(1H,3H)-dione; 6-(4-aminophenyl)-1-[(2,6-difluorophenyl)methyl]-5-[(dimethylamino)methyl]-3-(6-methoxypyridazin-3-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione; 6-(4-AMINOPHENYL)-1-(2,6-DIFLUOROBENZYL)-5-((DIMETHYLAMINO)METHYL)-3-(6-METHOXYPYRIDAZIN-3-YL)THIENO[2,3-D]PYRIMIDINE-2,4(1H,3H)-DIONE; 6-(4-Aminophenyl)-1-[(2,6-difluorophenyl)methyl]-5-[(dimethylamino)methyl]-3-(6-methoxy-3-pyridazinyl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione; Thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione, 6-(4-aminophenyl)-1-[(2,6-difluorophenyl)methyl]-5-[(dimethylamino)methyl]-3-(6-methoxy-3-pyridazinyl)-; 6-(4-aminophenyl)-1-(2,6-difluorobenzyl)-5-dimethylaminomethyl-3-(6-methoxypyridazin-3-yl)thieno[2,3-d]pyrimidine-2,4(1H,3H)-dione; Relugolix Impurity 26; Relugolix Impurity 23; 1-(2,6-Difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxypyridazin-3-yl)-6-(4-aminophenyl)thiophene[2,3-d]pyrimidine-2,4(1H,3H)-dione; Ruilugoli intermediate D